Electrical Engineering : Magnetism And Electromagnetism QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.Air gap has_______eluctance as compared to iron or steel path |
| little |
| lower |
| higher |
| zero |
12.A conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force experienced by the conductor will be |
| zero |
| BLI |
| B2LI |
| BLI2 |
13.Indicate which of the following material does not retain magnetism permanently. |
| Soft iron |
| Stainless steel |
| Hardened steel |
| None of the above |
14.The left hand rule correlates to |
| current, induced e.m.f. and direc�tion of force on a conductor |
| magnetic field, electric field and direction of force on a conductor |
| self induction, mutual induction and direction of force on a conductor |
| current, magnetic field and direc�tion of force on a conductor |
15.The use of permanent magnets is. not made in |
| magnetoes |
| energy meters |
| transformers |
| loud-speakers |
More Magnetism And Electromagnetism QUESTIONS AND ANSWERS available in next pages
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